For making (x^4 - 11x^2y^2 + y^4) a perfect
square, the expression to be added is
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For making (x^4 - 11x^2y^2 + y^4) a perfect
square, the expression to be added is
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Answer:
the expression to be added is 9x^2y^2.
Step-by-step explanation:
if we add 9x^2y^2 to the given polynomial the expression will be
x^4 -11x^2y^2+y^4 +9x^2y^2
x^4-2x^2y^2+y^4
(x^2-y^2)^2
which is a perfect square